Public bug reported:

Binary package hint: mutter

after gdm is started, 
i can see all the icons on my desktop but iam not able to click any icon. each 
time i do try to click or even a "mouse over icon" the screen turns completly 
black and takes 2 second to get icons visible again.


Description:    Ubuntu 10.10
Release:        10.10


mutter:
  Installiert: 2.31.5-0ubuntu9
  Kandidat:    2.31.5-0ubuntu9
  Versionstabelle:
 *** 2.31.5-0ubuntu9 0
        500 http://de.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages
        100 /var/lib/dpkg/status

to my hardware its an IBM Thinkpad T42

00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge 
(rev 01)
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 
01)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus 
Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM 
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 
Modem Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M7 LW 
[Radeon Mobility 7500]
02:00.0 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus Controller 
(rev 01)
02:00.1 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus Controller 
(rev 01)
02:01.0 Ethernet controller: Intel Corporation 82540EP Gigabit Ethernet 
Controller (Mobile) (rev 03)
02:02.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] 
Network Connection (rev 05)

i hope this is enoug to understand whats wrong:

dmesg:

[  135.790759] show_signal_msg: 9 callbacks suppressed
[  135.790766] mutter[1225]: segfault at 0 ip 02fd011c sp bf9d1460 error 4 in 
libclutk-0.3.so.0.360.0[2fc1000+4e000]
[  144.936349] mutter[1485]: segfault at 0 ip 0816f11c sp bf7fed80 error 4 in 
libclutk-0.3.so.0.360.0[8160000+4e000]
[  317.511834] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[  331.148933] mutter[1502]: segfault at 0 ip 0127811c sp bff955a0 error 4 in 
libclutk-0.3.so.0.360.0[1269000+4e000]
[  335.363274] mutter[1720]: segfault at 0 ip 08f6011c sp bf9671e0 error 4 in 
libclutk-0.3.so.0.360.0[8f51000+4e000]
[  476.165463] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[  495.212091] radeon 0000:01:00.0: f221ca00 reserve failed for wait
[  777.021799] radeon 0000:01:00.0: f221ca00 reserve failed for wait
[  777.621958] radeon 0000:01:00.0: f221ca00 reserve failed for wait
[  790.237104] radeon 0000:01:00.0: f221ca00 reserve failed for wait
[ 1658.957063] mutter[1737]: segfault at 0 ip 0475111c sp bf953110 error 4 in 
libclutk-0.3.so.0.360.0[4742000+4e000]
[ 1687.166111] radeon 0000:01:00.0: f2283c00 reserve failed

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: mutter 2.31.5-0ubuntu9
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Mon Oct 25 20:27:56 2010
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
SourcePackage: mutter

** Affects: mutter (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 maverick ubuntu-une

-- 
mutter segfault libclutk
https://bugs.launchpad.net/bugs/666447
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